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Subject: Re: Ending problem for Tiger

Author: Kurt Utzinger

Date: 02:35:18 05/09/02

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On May 09, 2002 at 01:53:54, Chessfun wrote:

>[D]4r3/p3P1b1/2p5/1kBp1RKp/8/6P1/8/8 w - - 0 51
>
>This position came about with ChessTiger 14 as white and it played 52. Rf8
>scoring a big plus. But after 52....Rxf8 white is probably lost.
>
>Analysis by Chess Tiger 14.0:
>52.Rf8 Rxe7
>  +-  (2.70)   Depth: 16   00:00:11  4000kN, tb=10
>52.Bd6 a5 53.Kxh5 a4 54.Kg6 Bc3 55.Kf7 Rh8 56.e8Q Rxe8 57.Kxe8 Bb2 58.Rf7 a3
>59.Rb7+ Kc4 60.Rb4+ Kc3 61.Ra4
>  +-  (2.15)   Depth: 17   00:05:04  102687kN, tb=788
>
>Seems Tiger can find the correct move at depth 17 but it takes a while.
>Others seem to find Bd6 without much problem.
>
>Sarah.

ChessTiger14 finds the move 52.Bd6 but - as you mentioned - needs some time.
Below the analysis:

Utzinger,K - Chess Tiger 14.0
4r3/p3P1b1/2p5/1kBp1RKp/8/6P1/8/8 w - - 0 1

Analysis by Chess Tiger 14.0:

51.Tf8 Txe7
  +-  (1.88)   Tiefe: 11   00:00:00  179kN
  +-  (2.70)   Tiefe: 16   00:00:09  3962kN
51.Ld6 a5 52.Kxh5 a4 53.Kg6 Lc3 54.Tf8 Txe7 55.Lxe7 c5 56.Ta8 c4 57.Tc8 Le5
58.Tc5+ Kb6 59.Txd5 Lxg3 60.Kf7
  +-  (2.22)   Tiefe: 17   00:05:07  126132kN, tb=247
  +-  (2.22)   Tiefe: 17   00:05:07  126132kN, tb=247

(Utzinger, Switzerland 09.05.2002)

Kurt

• Re: Ending problem for Tiger Chessfun 03:05:13 05/09/02
  • Re: Ending problem for Tiger sean 03:44:41 05/09/02
    • Re: Ending problem for Tiger Kurt Utzinger 03:52:22 05/09/02
  • Re: Ending problem for Tiger Kurt Utzinger 03:41:21 05/09/02

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